#https://www.cloudsavvyit.com/9607/how-to-hibernate-or-sleep-linux-from-the-command-line/
#https://www.linuxandubuntu.com/home/how-to-enable-hibernate-in-ubuntu-linux
#https://www.unixtutorial.org/create-swap-from-file-on-btrfs-filesystem/
echo disk | sudo tee /sys/power/state
